Uploading the main structure

node_modules/@parcel/watcher/src/linux/InotifyBackend.hh

@@ -0,0 +1,34 @@
+#ifndef INOTIFY_H
+#define INOTIFY_H
+
+#include <unordered_map>
+#include <sys/inotify.h>
+#include "../shared/BruteForceBackend.hh"
+#include "../DirTree.hh"
+#include "../Signal.hh"
+
+struct InotifySubscription {
+  std::shared_ptr<DirTree> tree;
+  std::string path;
+  WatcherRef watcher;
+};
+
+class InotifyBackend : public BruteForceBackend {
+public:
+  void start() override;
+  ~InotifyBackend();
+  void subscribe(WatcherRef watcher) override;
+  void unsubscribe(WatcherRef watcher) override;
+private:
+  int mPipe[2];
+  int mInotify;
+  std::unordered_multimap<int, std::shared_ptr<InotifySubscription>> mSubscriptions;
+  Signal mEndedSignal;
+
+  bool watchDir(WatcherRef watcher, std::string path, std::shared_ptr<DirTree> tree);
+  void handleEvents();
+  void handleEvent(struct inotify_event *event, std::unordered_set<WatcherRef> &watchers);
+  bool handleSubscription(struct inotify_event *event, std::shared_ptr<InotifySubscription> sub);
+};
+
+#endif